quiz 6 Flashcards

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1
Q

what does specific heat capacity mean?

A

the energy required to increase to increase 1 kg of a substance by 1 degree Celsius

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2
Q

what are energy resources used for?

A

transport,electricity and heating

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3
Q

what is the equation for calculating gravitational potential energy

A

gravitational potential energy= mass x gravitational field strength x height

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4
Q

what is the equation for calculating gravitational potential energy(in symbols)?

A

Ep= m x g x h

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5
Q

what is a non-renewable energy resource?

A

a resource which is not being replenished as it is used

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6
Q

what is the unit for the spring constant?

A

newtons per metre, N/m

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7
Q

name 2 non-renewable energy resources

A

fossil fuels,nuclear

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8
Q

when calculating change in thermal energy, how is the temperature change calculated?

A

final temperature- initial temperature

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9
Q

what is the unit for gravitational field strength?

A

newtons per kilogram, N/kg

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10
Q

what is a renewable energy resource?

A

a resource which is being replenished as its used

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11
Q

name 3 fossil fuels

A

coal,crude oil and natural gas

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12
Q

what are the units for specific heat capacity?

A

J/kg celsuis

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13
Q

what are the units for height?

A

metres,m

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14
Q

when calculating change in thermal energy, what are units for tempreature change?

A

degrees celcius,

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